Computer Fundamentals Tutorial 02 Sri Lanka Institute Of Information Technology (sliit)
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Sri Lanka Institute of Information Technology B. Sc Degree in IT/IS/CN, Diploma in Information Technology Year 1 – Semester 1 – 2009 Computer Fundamentals (101) Tutorial 2
Attempt following questions in 30 minutes.
1. Number Bases a. People use the ____________ number systems, but computers use the _______________ number system. b. What are the number bases involved with computers? c. Give the list of numbers/characters used for each number base you listed. 2. Conversion from Decimal to Binary, Octal and Hexadecimal i. 710 3. Conversion from Binary to Decimal, Octal, Hexadecimal i. 10112 ii. 11102 iii. 101011012 iv. 1110000101002 v. 1001111100002
ii. 1910 iii. 9510 iv. 37510 v. 104010 4. Conversion from Octal to Decimal, Binary and Hexadecimal i. 78 ii. 658 iii. 7238 iv. 451258 v. 1773268
5. Conversion from Hexadecimal to Decimal, Binary and Octal i. 2C16 ii. 4EF16 iii. 78D16 iv. 98AE16 v. 39BEF16
6. Conversion of Decimal Fractions to Binary, Octal and Hexadecimal Fractions i. 0.735410 ii. 0.651810 iii. 0.958210 iv. 0.512510 v. 0.732610
7. Conversion of Binary Fractions to Decimal fractions. i. 0.112 ii. 0.100112 iii. 0.111102 iv. 0.101012 v. 0.111012
8. Conversion of Octal Fractions to Decimal, Binary and Hexadecimal fractions. i. 0.77548 ii. 0.63218 iii. 0.55128 iv. 0.54258 v. 0.73268 9. Conversion of Hexadecimal Fractions to Decimal, Binary and Hexadecimal fractions. i. 0.CEF416 ii. 0.AB9116
iii. iv. v.
0.DB6216 0.956D16 0.7BCF16
Attempt following questions in 30 minutes.
1. Number Bases a. People use the ____________ number systems, but computers use the _______________ number system. b. What are the number bases involved with computers? c. Give the list of numbers/characters used for each number base you listed. 2. Conversion from Decimal to Binary, Octal and Hexadecimal i. 710 3. Conversion from Binary to Decimal, Octal, Hexadecimal i. 10112 ii. 11102 iii. 101011012 iv. 1110000101002 v. 1001111100002
ii. 1910 iii. 9510 iv. 37510 v. 104010 4. Conversion from Octal to Decimal, Binary and Hexadecimal i. 78 ii. 658 iii. 7238 iv. 451258 v. 1773268
5. Conversion from Hexadecimal to Decimal, Binary and Octal i. 2C16 ii. 4EF16 iii. 78D16 iv. 98AE16 v. 39BEF16
6. Conversion of Decimal Fractions to Binary, Octal and Hexadecimal Fractions i. 0.735410 ii. 0.651810 iii. 0.958210 iv. 0.512510 v. 0.732610
7. Conversion of Binary Fractions to Decimal fractions. i. 0.112 ii. 0.100112 iii. 0.111102 iv. 0.101012 v. 0.111012
8. Conversion of Octal Fractions to Decimal, Binary and Hexadecimal fractions. i. 0.77548 ii. 0.63218 iii. 0.55128 iv. 0.54258 v. 0.73268 9. Conversion of Hexadecimal Fractions to Decimal, Binary and Hexadecimal fractions. i. 0.CEF416 ii. 0.AB9116
iii. iv. v.
0.DB6216 0.956D16 0.7BCF16
